An open-source re-implementation of RollerCoaster Tycoon 2 (RCT2), expanding the game with new features, fixing bugs and raising game limits.
An open-source real-time strategy and real-time tactics hybrid computer game. It was originally released in 1999 for Microsoft Windows and PlayStation, and is now also available for macOS, FreeBSD, AmigaOS 4, AROS, MorphOS, Linux, NetBSD and OpenBSD.
A free, open source cross-platform flight simulator developed by the FlightGear project since 1997.
A 2D and 3D, cross-platform, free and open-source game engine released under the MIT license.
An open-source, cross-platform game engine designed for everyone - it's extensible, fast and easy to learn.
Speed Dreams is a Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine that aims to represent realism driving.
A business simulation game in which players try to earn money via transporting passengers and freight by road, rail, water and air.
A single and multiplayer turn-based strategy game inspired by the proprietary Sid Meier's Civilization series.